import os
from pathlib import Path

# Base Paths
BASE_DIR = Path(__file__).resolve().parent
UPLOAD_DIR = BASE_DIR / "uploads"
DATABASE_DIR = BASE_DIR / "database"

# Ensure directories exist
UPLOAD_DIR.mkdir(parents=True, exist_ok=True)
DATABASE_DIR.mkdir(parents=True, exist_ok=True)

# LLM Provider Config
LLM_PROVIDER = os.getenv("LLM_PROVIDER", "ollama").lower()

# Hugging Face Config (If Provider == huggingface)
HF_TOKEN = os.getenv("HF_TOKEN", "")
HF_MODEL_ID = os.getenv("HF_MODEL_ID", "Qwen/Qwen2.5-72B-Instruct")

# Ollama Config (If Provider == ollama)
OLLAMA_BASE_URL = os.getenv("OLLAMA_BASE_URL", "http://localhost:11434")
DEFAULT_MODEL = os.getenv("DEFAULT_MODEL", "qwen2.5:7b")

# Embedding Config
EMBEDDING_MODEL = os.getenv("EMBEDDING_MODEL", "BAAI/bge-m3")

# Text Splitter Config
CHUNK_SIZE = int(os.getenv("CHUNK_SIZE", "1000"))
CHUNK_OVERLAP = int(os.getenv("CHUNK_OVERLAP", "200"))